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Physics Chemistry

Entry Test MCQ :: Physics Of Solids


  A uniform steel wire of length 4m and area of cross-section 3x10-6m2 is extended by 1mm by the application of a force. If the youngs modulus of steel is 2x1011 Nm-2 the energy stored in the wire is
[A]. 0.025J[B]. 0.50J
[C]. 0.75J[D]. 0.100J

Answer: Option C


Sid said:    
 
mathematical derivation?

RABIA said:    
 
give mathematical explanation plzz???

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